As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE A/C WAS IN FOR HEAVY CHECK FOUND THE LT INBD CF1 SEAT TRACK HAS MULTIPLE AREAS OF CORROSION/DAMAGE. MX REMOVED AND REPLACED THE LT INBD CF1 SEAT TRACK P/N 170-67358-007 IAW EMB 51-43-01, 51-40-02, 51-41-02. A/C REMAINS IN CMH FOR HEAVY CHECK COMPLETION.